Ideal for drummers, keyboard players or anyone requiring hands-free operation, the ATM73a features a comfortable, unobtrusive headband design with side-of-mouth pickup. Its belt-mounted power module operates on battery or phantom power.
Ideal for drummers, keyboard players or anyone requiring hands-free operation
Comfortable, unobtrusive headband design with side-of-mouth pickup
Belt-mounted power module operates on battery or phantom power
Cardioidpolar pattern improves isolation of desired sound source
Also available as ATM73cW - less power module; 55" (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak wireless systems
ELEMENT: Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN: Cardioid
FREQUENCY RESPONSE: 40-15,000 Hz
LOW FREQUENCYROLL-OFF: 80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY: PHANTOM: -55 dB (1.7 mV) re 1V at 1 Pa BATTERY: -56 dB (1.5 mV) re 1V at 1 Pa
IMPEDANCE: PHANTOM: 200 ohms BATTERY: 270 ohms
MAXIMUM INPUT SOUNDLEVEL: PHANTOM: 146 dBSPL, 1 kHz at 1% T.H.D. BATTERY: 132 dBSPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical): PHANTOM: 111 dB, 1 kHz at Max SPL BATTERY: 97 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO: 59 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS: 11-52V DC, 2 mA typical
BATTERY TYPE: 1.5V AA/UM3
BATTERY CURRENT / LIFE: 0.4 mA / 1200 hours typical (alkaline)
SWITCH: Off, on-flat, on-roll-off
WEIGHT (MICROPHONE): 1.1 oz (31 g)
WEIGHT (POWER MODULE): 4.9 oz (139 g)
DIMENSIONS (MICROPHONE): 0.39" (10.0 mm) diameter
DIMENSIONS (POWER MODULE): 3.31" (84.0 mm) H x 2.48" (63.0 mm) W x 0.87" (22.0 mm) D
DIMENSIONS (HEADSET): 6.49" (165.0 mm) nominal at widest point, 2.64" (67.0 mm) flexible boom
OUTPUT CONNECTOR (POWER MODULE): Integral 3-pin XLRM-type
CABLE: 4.6' (1.4 m) long (permanently attached to microphone), 0.10" (2.6 mm) diameter, 2-conductor shielded cable with TA3F-type connector
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